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Control of a dual-layer loudspeaker array for the generation of private sound

Shin, Mincheol, Fazi, Filippo Maria, Casagrande Hirono, Fabio and Nelson, Philip Arthur (2012) Control of a dual-layer loudspeaker array for the generation of private sound At Internoise 2012, United States. 19 - 22 Aug 2012. 11 pp.

Record type: Conference or Workshop Item (Paper)


A dual-layer loudspeaker array has been constructed and controlled in order to ensure directional radiation over only one hemisphere of the region surrounding the array. This enables the generation of a “private sound field” for one or a few persons situated in a certain spatial region relative to the array. The paper compares the performance of two conceptually different types of algorithm. The performance of the control algorithms have been compared theoretically and investigated by using computer simulations. The same control algorithms and the simulations have been experimentally verified with the prototype dual-layer array composed of 16 loudspeakers. Excellent agreement between experiment and theory is achieved.

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Published date: August 2012
Venue - Dates: Internoise 2012, United States, 2012-08-19 - 2012-08-22
Organisations: Acoustics Group


Local EPrints ID: 350754
PURE UUID: 451b61d7-0151-4aef-945b-c682a06a823b
ORCID for Fabio Casagrande Hirono: ORCID iD

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Date deposited: 09 Apr 2013 10:37
Last modified: 18 Jul 2017 04:31

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Author: Mincheol Shin

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